<h3>顶尖英雄</h3>
<div class="grid grid-pad">
  <a *ngFor="let hero of heroes" class="col-1-4" 
    routerLink='/detail/{{hero.rank}}'>
    <div class="module hero">
      <h4>{{hero.title}}</h4>
    </div>
  </a>
</div>
